TSTP Solution File: BOO010-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : BOO010-4 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Thu Jul 14 23:49:24 EDT 2022

% Result   : Unsatisfiable 0.19s 0.42s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   26 (  26 unt;   0 nHn;  26 RR)
%            Number of literals    :   26 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ equal(add(a,multiply(a,b)),a),
    file('BOO010-4.p',unknown),
    [] ).

cnf(2,axiom,
    equal(add(u,v),add(v,u)),
    file('BOO010-4.p',unknown),
    [] ).

cnf(3,axiom,
    equal(multiply(u,v),multiply(v,u)),
    file('BOO010-4.p',unknown),
    [] ).

cnf(4,axiom,
    equal(multiply(add(u,v),add(u,w)),add(u,multiply(v,w))),
    file('BOO010-4.p',unknown),
    [] ).

cnf(5,axiom,
    equal(add(multiply(u,v),multiply(u,w)),multiply(u,add(v,w))),
    file('BOO010-4.p',unknown),
    [] ).

cnf(6,axiom,
    equal(add(u,additive_identity),u),
    file('BOO010-4.p',unknown),
    [] ).

cnf(7,axiom,
    equal(multiply(u,multiplicative_identity),u),
    file('BOO010-4.p',unknown),
    [] ).

cnf(8,axiom,
    equal(add(u,inverse(u)),multiplicative_identity),
    file('BOO010-4.p',unknown),
    [] ).

cnf(9,axiom,
    equal(multiply(u,inverse(u)),additive_identity),
    file('BOO010-4.p',unknown),
    [] ).

cnf(28,plain,
    equal(add(additive_identity,u),u),
    inference(spr,[status(thm),theory(equality)],[2,6]),
    [iquote('0:SpR:2.0,6.0')] ).

cnf(45,plain,
    equal(add(multiply(u,v),u),multiply(u,add(v,multiplicative_identity))),
    inference(spr,[status(thm),theory(equality)],[7,5]),
    [iquote('0:SpR:7.0,5.0')] ).

cnf(46,plain,
    equal(multiply(u,add(v,inverse(u))),add(multiply(u,v),additive_identity)),
    inference(spr,[status(thm),theory(equality)],[9,5]),
    [iquote('0:SpR:9.0,5.0')] ).

cnf(55,plain,
    equal(add(u,multiply(u,v)),multiply(u,add(v,multiplicative_identity))),
    inference(rew,[status(thm),theory(equality)],[2,45]),
    [iquote('0:Rew:2.0,45.0')] ).

cnf(56,plain,
    ~ equal(multiply(a,add(b,multiplicative_identity)),a),
    inference(rew,[status(thm),theory(equality)],[55,1]),
    [iquote('0:Rew:55.0,1.0')] ).

cnf(60,plain,
    equal(multiply(u,add(v,inverse(u))),multiply(u,v)),
    inference(rew,[status(thm),theory(equality)],[28,46,2]),
    [iquote('0:Rew:28.0,46.0,2.0,46.0')] ).

cnf(70,plain,
    equal(multiply(u,multiplicative_identity),multiply(u,u)),
    inference(spr,[status(thm),theory(equality)],[8,60]),
    [iquote('0:SpR:8.0,60.0')] ).

cnf(73,plain,
    equal(multiply(u,inverse(u)),multiply(u,additive_identity)),
    inference(spr,[status(thm),theory(equality)],[28,60]),
    [iquote('0:SpR:28.0,60.0')] ).

cnf(74,plain,
    equal(multiply(u,u),u),
    inference(rew,[status(thm),theory(equality)],[7,70]),
    [iquote('0:Rew:7.0,70.0')] ).

cnf(76,plain,
    equal(multiply(u,additive_identity),additive_identity),
    inference(rew,[status(thm),theory(equality)],[9,73]),
    [iquote('0:Rew:9.0,73.0')] ).

cnf(86,plain,
    equal(multiply(add(u,v),u),add(u,multiply(v,additive_identity))),
    inference(spr,[status(thm),theory(equality)],[6,4]),
    [iquote('0:SpR:6.0,4.0')] ).

cnf(98,plain,
    equal(multiply(u,add(u,v)),add(u,multiply(v,additive_identity))),
    inference(rew,[status(thm),theory(equality)],[3,86]),
    [iquote('0:Rew:3.0,86.0')] ).

cnf(99,plain,
    equal(multiply(u,add(u,v)),add(u,additive_identity)),
    inference(rew,[status(thm),theory(equality)],[76,98]),
    [iquote('0:Rew:76.0,98.0')] ).

cnf(100,plain,
    equal(multiply(u,add(u,v)),u),
    inference(rew,[status(thm),theory(equality)],[6,99]),
    [iquote('0:Rew:6.0,99.0')] ).

cnf(133,plain,
    equal(add(u,multiply(u,v)),multiply(u,add(u,v))),
    inference(spr,[status(thm),theory(equality)],[74,5]),
    [iquote('0:SpR:74.0,5.0')] ).

cnf(142,plain,
    equal(multiply(u,add(v,multiplicative_identity)),u),
    inference(rew,[status(thm),theory(equality)],[55,133,100]),
    [iquote('0:Rew:55.0,133.0,100.0,133.0')] ).

cnf(143,plain,
    $false,
    inference(unc,[status(thm)],[142,56]),
    [iquote('0:UnC:142.0,56.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : BOO010-4 : TPTP v8.1.0. Released v1.1.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.11/0.33  % Computer : n021.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Thu Jun  2 00:15:01 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.19/0.42  
% 0.19/0.42  SPASS V 3.9 
% 0.19/0.42  SPASS beiseite: Proof found.
% 0.19/0.42  % SZS status Theorem
% 0.19/0.42  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.42  SPASS derived 102 clauses, backtracked 0 clauses, performed 0 splits and kept 42 clauses.
% 0.19/0.42  SPASS allocated 63230 KBytes.
% 0.19/0.42  SPASS spent	0:00:00.07 on the problem.
% 0.19/0.42  		0:00:00.04 for the input.
% 0.19/0.42  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.42  		0:00:00.00 for inferences.
% 0.19/0.42  		0:00:00.00 for the backtracking.
% 0.19/0.42  		0:00:00.01 for the reduction.
% 0.19/0.42  
% 0.19/0.42  
% 0.19/0.42  Here is a proof with depth 3, length 26 :
% 0.19/0.42  % SZS output start Refutation
% See solution above
% 0.19/0.42  Formulae used in the proof : prove_a_plus_ab_is_a commutativity_of_add commutativity_of_multiply distributivity1 distributivity2 additive_id1 multiplicative_id1 additive_inverse1 multiplicative_inverse1
% 0.19/0.42  
%------------------------------------------------------------------------------